Effect of diluent on analyte adsorption to glass autosampler vials – White Paper

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ARTICLES, APPNOTES, FAQ (9292)
- AppNotes Library (1888)
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January 8, 2014
Bill Ciccone

AppNotes RSA Vials / ARTICLES, APPNOTES, FAQ / Autosampler Vials FAQ / Autosampler Vials Information / HPLC & GC Standard Vials Caps & Inserts / HPLC Suggestions and Information / MicroSolv Autosampler Vials FAQ / RSA Family of Vials / RSA Vials FAQ / Trouble Shooting Suggestions / White Papers

It is well known that silanol groups present on the surface of Type I glass autosampler vials contribute to quantitative loss in the case of basic analytes. This is believed to occur primarily by electrostatic interaction and possibly by hydrogen bonding to some degree.

In order to investigate the nature of this interaction in more detail, we conducted a series of experiments using different sample diluents and used RSA™ Reduced Surface Activity autosampler vials.

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3) Basic compound functional group dependent adsorption study in RSA autosampler vials – AppNote

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